\begin{tabular}{ L{8.5cm} C{1.7cm} C{1.7cm} C{1.7cm} C{1.7cm} } \hline \hline
& Treated                               &  Cash                                 & Labour                                & Waiver                                \\ \hline
Arsenic contamination (WHO threshold) (HH test) & .0254 & .0347 & -.0338 & .0756* \\
& (0.032) & (0.041) & (0.038) & (0.041) \\
Arsenic contamination (Bangladeshi threshold) (HH test) & .0511** & .0544 & .0313 & .0683** \\
& (0.024) & (0.034) & (0.026) & (0.034) \\
Fecal contamination (HH test) & .00696 & -.0135 & .0307 & .00364 \\
& (0.016) & (0.020) & (0.019) & (0.019) \\
WS Arsenic contamination (WHO threshold) & .0294 & .0247 & -.00955 & .0732* \\
& (0.032) & (0.042) & (0.039) & (0.038) \\
WS Arsenic contamination (Bangladeshi threshold) & .0363 & .0243 & .0267 & .0575 \\
& (0.026) & (0.039) & (0.030) & (0.038) \\
WS Fecal contamination & .00043 & -.0308 & .0137 & .0184 \\
& (0.020) & (0.024) & (0.024) & (0.024) \\
The water is treated to make it safe for drinking & .012 & -.00679 & .0248 & .0193 \\
& (0.015) & (0.020) & (0.018) & (0.016) \\
Household observed to store drinking water & -.00736 & -.0302 & .0147 & -.00696 \\
& (0.024) & (0.030) & (0.028) & (0.032) \\
Time needed to collect water (mins) & -.0165 & .0147 & -.0252 & -.037 \\
& (0.096) & (0.107) & (0.100) & (0.128) \\
Water collected per day (litres) & -1.54 & -3.76 & .408 & -1.48 \\
& (2.642) & (3.427) & (3.056) & (3.319) \\
WTP for a new WS in a socially optimal location & -6.6 & -27.9 & 6.99 & -.686 \\
& (9.986) & (18.029) & (10.075) & (9.729) \\
\hline
Pvalue of F-test for joint significance     & 0.781 & 0.491        & 0.295& 0.689 \\
\hline \hline
\end{tabular}
